USD278652SExpiredUtility
Heat saving device
Individually held — no corporate assignee on recordPriority: Jun 20, 1983Filed: Jun 20, 1983Granted: Apr 30, 1985
Est. expiryJun 20, 2003(expired)· nominal 20-yr term from priority
Inventors:Donald Lindsey
34
PatentIndex Score
3
Cited by
5
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a heat saving device, as shown.
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